This is an alkaline jacket. It has a simple design, is slightly stretchy, and comfortable to wear. It is unlined and has a double zipper. It shows signs of wear, especially rubbing on the collar. Please purchase only if you understand that this is a used item. Material: Cotton: 95% Polyurethane: 5% Shoulder width: 39cm Width: 45cm Sleeve length: 62cm Length: 68cm Length: Mid-length Color: Black Pattern/Design: Solid Material: Cotton